Warfarin Interactions
Showing entire list of all interactions, including brand names and combination drugs.
Go back to interactions summary
Medications known to interact with warfarin
K
- K-Mg Citrate (multivitamin with minerals)
- K-Pek (bismuth subsalicylate)
- K-Right (multivitamin)
- K2 Liquid (menaquinone)
- K2 Plus D3 (multivitamin)
- K2-45 (menaquinone)
- K2-D3 (cholecalciferol / menaquinone)
- Kabikinase (streptokinase)
- Kadcyla (ado-trastuzumab emtansine)
- Kaitlib Fe (ethinyl estradiol / norethindrone)
- Kaletra (lopinavir / ritonavir)
- Kalliga (desogestrel / ethinyl estradiol)
- Kalydeco (ivacaftor)
- Kanjinti (trastuzumab)
- Kao-Tin Bismuth Subsalicylate Formula (bismuth subsalicylate)
- Kaopectate (bismuth subsalicylate)
- Kaopectate Anti-Diarrheal Upset Stomach Reliever (bismuth subsalicylate)
- Kaopectate Extra Strength (bismuth subsalicylate)
- Kapectolin (New Formula) (bismuth subsalicylate)
- Kapidex (dexlansoprazole)
- Karbons (charcoal)
- Kariva (desogestrel / ethinyl estradiol)
- Kazano (alogliptin / metformin)
- Keflex (cephalexin)
- Keflin (cephalothin)
- Keftab (cephalexin)
- Kefurox (cefuroxime)
- Kefzol (cefazolin)
- Kelnor 1 / 35 (ethinyl estradiol / ethynodiol)
- Kelnor 1 / 50 (ethinyl estradiol / ethynodiol)
- Kemeya (drospirenone / ethinyl estradiol)
- Ken-Jec 40 (triamcinolone)
- Kenaject-40 (triamcinolone)
- Kenalog-10 (triamcinolone)
- Kenalog-40 (triamcinolone)
- Kengreal (cangrelor)
- Kenwood Therapeutic (multivitamin)
- Kestrone 5 (estrone)
- ketamine / ketoprofen / lidocaine topical
- Ketek (telithromycin)
- Ketek Pak (telithromycin)
- ketoconazole
- ketoprofen
- ketoprofen / lidocaine topical
- ketorolac
- ketorolac ophthalmic
- ketorolac / phenylephrine ophthalmic
- ketorolac / phenylephrine / proparacaine / tropicamide ophthalmic
- Kevzara (sarilumab)
- Key-Pred (prednisolone)
- Key-Pred SP (prednisolone)
- Khedezla (desvenlafaxine)
- Kid's Immune Jelly Beans (multivitamin with minerals)
- Kids Multi Jelly Beans (multivitamin with minerals)
- Kids Sleep+Immune Health (ascorbic acid / cholecalciferol / elderberry / melatonin / zinc citrate)
- Kimidess (desogestrel / ethinyl estradiol)
- Kimmtrak (tebentafusp)
- Kimyrsa (oritavancin)
- Kineret (anakinra)
- Kinesed (atropine / hyoscyamine / phenobarbital / scopolamine)
- Kinlytic (urokinase)
- Kiprofen (ketoprofen)
- Kisunla (donanemab)
- Kitabis Pak (tobramycin)
- Klofensaid II (diclofenac topical)
- KneeRelief (acetaminophen / caffeine / magnesium salicylate)
- Kola-Pectin DS (bismuth subsalicylate)
- Kolephrin (acetaminophen / chlorpheniramine / pseudoephedrine)
- Kolnatal DHA (multivitamin, prenatal)
- Kombiglyze XR (metformin / saxagliptin)
- Konakion (phytonadione)
- Konvomep (omeprazole / sodium bicarbonate)
- Kori Krill Oil Omega-3 (omega-3 polyunsaturated fatty acids)
- Korlym (mifepristone)
- Koselugo (selumetinib)
- Krazati (adagrasib)
- Kurvelo (ethinyl estradiol / levonorgestrel)
- Kybella (deoxycholic acid)
- Kyra (drospirenone / ethinyl estradiol)
- Kyzatrex (testosterone)
More about warfarin
- warfarin consumer information
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (55)
- Drug images
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: coumarins and indandiones
- Breastfeeding
- En español
Related treatment guides
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.